Heena Sharma, Shubhankat Vats and, Rashmi Gupta Solutions for Chapter: Periodic Tests, Exercise 6: Mid Term Tests

Which of the following plastid occurs most widely?

Two bodies of equal mass$\left(m\right)$ moving with equal speed $\left(v\right)$ in opposite directions collide. The resultant velocity of the combination is

What is meant by latent heat of vaporisation?

Give cause and remedy of Hepatitis.

How is weight related to mass? Is weight of a body constant?

A coolie lifts a box of $15 \mathrm{kg}$ from the ground to a height of $2 \mathrm{m}$. Calculate the work done by coolie on the box. (Given, $g=9.8 m{s}^{-2}$) 

Give two objectives of classification.

If $12$g of $\mathrm{C}$ is burnt in the presence of $32$g of ${\mathrm{O}}_2$ how much ${\mathrm{CO}}_2$ will be formed?